the obama administration has flatly rejected an offer to free two americans held by militants in algeria. in exchange for convicted terrorists. it has been confirmed. one u-s worker has been found dead at the b-p natural gas plant seized by extremists. algerian forces launched a rescue operation yesterday. 650 workers were reportedly set free. a dozen others have been killed. it is still not clear exactly how many u-s workers are being held. philadelphia police have arrested a man blamed for a shocking act of violence in the city's subway. surveillance video shows what happened tuesday after asking a 23- year- old woman for a lighter. he returns and attacks her. eventually pulling her off a bench by her feet. and dragging her over to the tracks where he throws her off. fortunately, the woman managed to pull herself out quickly- and had only minor injuries. police used this video to track the man down. >> former new orleans mayor ray nagin has been indicted on federal corruption charges. a 25-page indictment. includes conspiracy. money- laundering and fraud. this comes after two city cont